LES Research on Flowing Characteristics of Turbulent Flow in Rectangular Tubes in Rolling Motion

YAN Binghuo; GU Hanyang; YANG Yanhua; YU Lei

Volume 32 Issue 1

Mar. 2025

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Article Navigation > Nuclear Power Engineering > 2011 > 32(1): 108-111,116

YAN Binghuo, GU Hanyang, YANG Yanhua, YU Lei. LES Research on Flowing Characteristics of Turbulent Flow in Rectangular Tubes in Rolling Motion[J]. Nuclear Power Engineering, 2011, 32(1): 108-111,116.

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YAN Binghuo, GU Hanyang, YANG Yanhua, YU Lei. LES Research on Flowing Characteristics of Turbulent Flow in Rectangular Tubes in Rolling Motion[J]. Nuclear Power Engineering, 2011, 32(1): 108-111,116.

YAN Binghuo, GU Hanyang, YANG Yanhua, YU Lei. LES Research on Flowing Characteristics of Turbulent Flow in Rectangular Tubes in Rolling Motion[J]. Nuclear Power Engineering, 2011, 32(1): 108-111,116.

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LES Research on Flowing Characteristics of Turbulent Flow in Rectangular Tubes in Rolling Motion

1. Naval Unversity of Engineering, Wuhan, 430033, China;
2. Shanghai Jiao Tong University, Shanghai, 200240, China

Received Date: 2009-11-04
Available Online: 2025-03-08

Abstract

Abstract

The turbulent flow in rectangular tubes in rolling motion is investigated theoretically with FLUENT code and large eddy simulation.The effects of rolling motion and tube size on the flowing characteristics of turbulent flow are analyzed.The results show that if the rectangular tube is narrow,the effect of rolling motion on the turbulent flow can be depressed by the tube wall.If the rolling amplitude is small,the effect of rolling motion on the turbulent flow is very limited.With the decrease of length-width ratio of the tube,the turbulent frictional resistance coefficient decreases.The frictional resistance coefficient is in a wave or slope shape.If the rolling amplitude is big,the counter flow occurs first at the π/2 phase.With the decrease of rolling period,the frictional resistance coefficient on the wall decreases first,and increases later.
- Rolling,
- Rectangular tube,
- Turbulent flow,
- Large eddy simulation

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